<oo-admin-move> follow options change on man page

https://bugzilla.redhat.com/show_bug.cgi?id=1010865
--allow_change_district removed
--change_district added
Added a little better explanation of how to use it.
<oo-accept-broker> smarter checks for ruby

https://bugzilla.redhat.com/show_bug.cgi?id=1014397
Parts of oo-accept-broker referred directly to ruby, which in an
SCL-ized context, don't actually have to exist (or would be the wrong
ruby). Changed over to use oo-ruby or other SCL-safe invocations.
Merge pull request #3820 from sosiouxme/master

Merged by openshift-bot